Word of the Day:centromere

Definition: (noun) The most condensed and constricted region of a chromosome, to which the spindle fiber is attached during mitosis.
Synonyms: kinetochore
Usage: Down syndrome, a congenital disorder caused by the presence of an extra twenty-first chromosome, can result from aberrant functioning of the centromere.: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch